Hi, from the author of the libev ( http://software.schmorp.de/pkg/libev.html ) there is a early stage libeio ( http://cvs.schmorp.de/libeio/ ) a async IO based on threads. The documantation is here: http://pod.tst.eu/http://cvs.schmorp.de/libeio/eio.pod The announcement is here http://lists.schmorp.de/pipermail/libev/2008q2/000294.html What is your opinion about it? BR Aleks